Watering Hole Attack Targets EmEditor Users with Information-Stealing Malware


In late December 2025, EmEditor, a highly extensible and widely used text, code, and CSV editor developed by U.S.-based Emurasoft, published a security advisory warning users that its download page had been compromised. The attackers’ objective was to distribute a compromised version of the program to unsuspecting users.

EmEditor has longstanding recognition within Japanese developer communities as a recommended Windows-based editor. This suggests that the attackers are targeting this specific user base, or that they have a particular target among EmEditor users and used the compromised download page as delivery mechanism.

Read more…
Source:  Trend Micro


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • ToddyCat: your hidden email assistant. Part 2

    June 30, 2026

    Kaspersky continue to share details on the malicious techniques and toolsets used by the ToddyCat APT group. In the first part of this report, they examined the group’s attacks aimed at stealing data from browsers, as well as from local and cloud email services. The methods used in that campaign indicated that ToddyCat was attempting ...

  • Japan: Over 14 million login credentials leaked from six ISPs in major data breach

    June 29, 2026

    A data breach that has potentially exposed the email and password combinations for over 14 million customers across six internet service providers (ISPs) has been disclosed by Japanese telecoms provider KDDI Corporation. According to the company, hackers exploited a vulnerability in a third-party software to access the database of credentials. KDDI said that it immediately blocked ...

  • ONResolver RAT Abuses TON Blockchain to Target Japan’s Hotel Industry

    June 29, 2026

    In late May 2026, suspicious emails were identified being sent to Japanese partner companies of Booking.com, with the subject line “Important: Guest Stay Review Request” (重要:ゲスト滞在レビュー依頼). In this attack, a zip file was downloaded by accessing a hyperlink to a suspicious web site, and the infection began when the user clicked a shortcut link file ...

  • Nissan says Oracle PeopleSoft break-in may have spilled payroll records, SSNs

    June 29, 2026

    Nissan has joined the growing list of Oracle customers cleaning up after a cyberattack, warning employees that payroll records, bank details, Social Security numbers, and other personal data may have been stolen. In a filing submitted to the California Attorney General on Friday, Nissan Americas said Oracle had informed it of “a cyber event” involving the personnel records ...

  • Fake GTA VI beta keys are already draining cryptocurrency wallets worldwide

    June 27, 2026

    Grand Theft Auto VI is not due on consoles until November 19 2026, but official preorders open soon, and cybersecurity researchers have warned criminals are already exploiting the wait with a coordinated wave of fraudulent websites. Malwarebytes and NordVPN have both flagged sites promising “VIP early access” or exclusive beta keys to one of gaming’s most anticipated ...

  • Russian Intelligence Services Continue to Target Commercial Messaging Applications

    June 26, 2026

    The FBI and CISA are issuing this update to the March 20, 2026, Public Service Announcement I-032026-PSA to provide additional information to the public and encourage device owners to take actions to protect themselves. The FBI has identified multiple clusters of Russian Intelligence Services (RIS) cyber threat actors responsible for an ongoing commercial messaging application (CMA) phishing campaign against individuals of high ...